English verb conjugation
COULD DOWSE

Regular verb: dowse - dowsed - dowsed

Affirmation

Simple form	V-ing form
I could dowse you could dowse he could dowse we could dowse you could dowse they could dowse	I could be dowsing you could be dowsing he could be dowsing we could be dowsing you could be dowsing they could be dowsing
Perfect	V-ing perfect
I could have dowsed you could have dowsed he could have dowsed we could have dowsed you could have dowsed they could have dowsed	I could have been dowsing you could have been dowsing he could have been dowsing we could have been dowsing you could have been dowsing they could have been dowsing

Negation

Simple form	V-ing form
I couldn't dowse you couldn't dowse he couldn't dowse we couldn't dowse you couldn't dowse they couldn't dowse	I couldn't be dowsing you couldn't be dowsing he couldn't be dowsing we couldn't be dowsing you couldn't be dowsing they couldn't be dowsing
Perfect	V-ing perfect
I couldn't have dowsed you couldn't have dowsed he couldn't have dowsed we couldn't have dowsed you couldn't have dowsed they couldn't have dowsed	I couldn't have been dowsing you couldn't have been dowsing he couldn't have been dowsing we couldn't have been dowsing you couldn't have been dowsing they couldn't have been dowsing

Interrogative form

Simple form	V-ing form
could I dowse? could you dowse? could he dowse? could we dowse? could you dowse? could they dowse?	could I be dowsing? could you be dowsing? could he be dowsing? could we be dowsing? could you be dowsing? could they be dowsing?
Perfect	V-ing perfect
could I have dowsed? could you have dowsed? could he have dowsed? could we have dowsed? could you have dowsed? could they have dowsed?	could I have been dowsing? could you have been dowsing? could he have been dowsing? could we have been dowsing? could you have been dowsing? could they have been dowsing?

Interro-negative form

Simple form	V-ing form
couldn't I dowse? couldn't you dowse? couldn't he dowse? couldn't we dowse? couldn't you dowse? couldn't they dowse?	couldn't I be dowsing? couldn't you be dowsing? couldn't he be dowsing? couldn't we be dowsing? couldn't you be dowsing? couldn't they be dowsing?
Perfect	V-ing perfect
couldn't I have dowsed? couldn't you have dowsed? couldn't he have dowsed? couldn't we have dowsed? couldn't you have dowsed? couldn't they have dowsed?	couldn't I have been dowsing? couldn't you have been dowsing? couldn't he have been dowsing? couldn't we have been dowsing? couldn't you have been dowsing? couldn't they have been dowsing?